it is useful. to the extent that over time people see that coming from our industry, i think we are in a great position to help. >> building on what michael said, we have the luxury of treating almost 8 million patients a year. that gives us a lot of data as well. we have been focused for years on care variability. looking at where we have variability on what should be done and looking at how we can move closer to that being done on a regular basis. we continue to do that while also looking for ways to drive down costs. there is, we agree, some degree of waste that exists in the system, and looking for ways to improve quality while also reducing the cost of care. we have been working on preventable be a missions since the end of 2009 -- really, the beginning of 2010. >> does the data show it is working? >> and to us. our commitment has been that for those patients that require hospitalization -- we want you to come to us. we will deliver care that is consistent and scientifically sound while you ar